Tungsten Lamp, i-Series Back Catalog number: CTS-21693 Availability: In the manufacturer's stock Price on request - + Recommended 5610105300 Sodium - Na, Coded HC Lamp, 1/pk 600,78 € 5610133400 Silicon - Si, Coded UltrAA HC Lamp, 1/pk 1 004,30 € 5610100300 Arsenic - As, Coded HC Lamp, 1/pk 730,48 €